US PATENT SUBCLASS 160 / 150
.~.~.~.~ With strand and pulley

Current as of: June, 1999
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160 /   HD   FLEXIBLE OR PORTABLE CLOSURE, PARTITION, OR PANEL

130  DF  PLURAL STRIP, SLAT, OR PANEL TYPE {11}
136  DF  .~ Parallelogram type {6}
138  DF  .~.~ With operator {1}
139  DF  .~.~.~ Unit collapsing only {6}
150.~.~.~.~ With strand and pulley

DEFINITION

Classification: 160/150

(under subclass 139) Devices wherein the operator includes a strand and pulley.